3a A 120cm long piece of string is fixed at both ends.The speed of the wave on the string is 100m/s.Draw the standing wave pattern associated with the second lowest resonance frequency, state the numerical value of the corresponding wavelength, and state the numerical value of the\is second lowest resonance frequency (appropriate symbol with appropriate subscript = # plus unit) 3b A 60cm long plastic pipe is closed at the top end and open at the bottom end.Draw the displacement standing wave pattern associated with the second lowest resonance frequency,state the numerical value of the corresponding wavelength, and state the numerical value of this second lowest resonance frequency (appropriate symbol with appropriate subscript = # plus unit)

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3a a 120cm long piece of string is fixed at both endsthe speed of the

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3a A 120cm long piece of string is fixed at both ends.The speed of the wave on the string is 100m/s.Draw the standing wave pattern associated with the second lowest resonance frequency, state the numerical value of the corresponding wavelength, and state the numerical value of the\is second lowest resonance frequency